How to Expand Ivory Soap

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Ivory bar soap has been known for its purity, versatility, and ability to float. It is soft, and safe for many skin types. But did you know that you can turn it into a big, soapy marshmallow, too?
 
 

Steps

  1. Fill a bowl with water and drop a bar of Ivory soap into the bowl. (Notice how it floats? No other bar soap does.)
  2. Remove the Ivory soap from the water, let it dry[Or it won't puff up as much] and place the bar in the middle of a plate covered with a paper towel. Place in the center of the microwave oven.
  3. Cook the bar of soap on high for 2 minutes. Watch the bar of soap as it begins to expand and erupt into beautiful puffy clouds. Be careful not to over cook your soap soufflé.
  4. Allow the soap to cool for a minute. Touch it. Feel it. Look at it. It looks like a big marshmallow, but does it feel like one? Does it feel soft like a cotton ball? Would you like to scoop it up in your hands, and bring it to your cheek? Can you imagine it as appearing to be a big cloud in the sky?
  5. Recognize the fact that this soft, white, fluffy glob, was once just a hard bar of Ivory Soap wrapped in paper.


 

 
 

 Tips

  • Ivory soap floats because it has air pumped into it during the manufacturing process.
  • The expanding effect is caused by the heating of the water that is inside the soap. The water vaporizes, forming bubbles; the heat also causes trapped air to expand. Likewise, the heat causes the soap itself to soften and become pliable.
  • This experiment will make your kitchen and microwave smell like Ivory soap! Don't worry, the perfume dissipates and will not linger.


 

 
 

Warnings

  • This experiment requires adult supervision and permission to use the microwave oven.
  • Use a microwave safe plate only.
  • Keep face away from microwave when removing soap.
  • The Bowl will be hot when taken out of the microwave.


 

 
 

Things You'll Need

  • Bar of Ivory soap
  • Bowl of water (or a plastic tub)
  • Paper towel
  • Microwave safe plate
  • Microwave oven